Time Limit: 5000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)
Total Submission(s): 5637 Accepted Submission(s): 2414
1 #include<cstdio> 2 #include<algorithm> 3 using namespace std; 4 #define N 100+10 5 int knum,mnum,lnum; 6 int ans[N],si[N],hi[N],sg[10010]; 7 int mex(int x)//求x的sg值(可作为模版应用) 8 { 9 if(sg[x]!=-1) return sg[x]; 10 bool vis[N]; 11 memset(vis,false,sizeof(vis)); 12 for(int i=0;i<knum;i++) { 13 int temp=x-si[i]; 14 if(temp<0) break; 15 sg[temp]=mex(temp); 16 vis[sg[temp]]=true; 17 } 18 for(int i=0;;i++) { 19 if(!vis[i]) { 20 sg[x]=i; break; 21 } 22 } 23 return sg[x]; 24 } 25 int main() { 26 while(scanf("%d",&knum) && knum) { 27 for(int i=0;i<knum;i++) 28 scanf("%d",&si[i]); 29 sort(si,si+knum); 30 memset(sg,-1,sizeof(sg)); 31 sg[0]=0; 32 memset(ans,0,sizeof(ans)); 33 scanf("%d",&mnum); 34 for(int i=0;i<mnum;i++) { 35 scanf("%d",&lnum); 36 for(int j=0;j<lnum;j++) { 37 scanf("%d",&hi[i]); ans[i]^=mex(hi[i]);//尼姆博弈 38 } 39 } 40 for(int i=0;i<mnum;i++) 41 { 42 if(ans[i]==0) printf("L"); 43 else printf("W"); 44 } 45 printf("\n"); 46 } 47 return 0; 48 }
1 #include"iostream" 2 #include"algorithm" 3 #include"string.h" 4 using namespace std; 5 int s[101],sg[10001],k; 6 int getsg(int m) 7 { 8 int hash[101]={0}; 9 int i; 10 for(i=0;i<k;i++){ 11 if(m-s[i]<0) 12 break; 13 if(sg[m-s[i]]==-1) 14 sg[m-s[i]]=getsg(m-s[i]); 15 hash[sg[m-s[i]]]=1; 16 } 17 for(i=0;;i++) 18 if(hash[i]==0) 19 return i; 20 21 22 } 23 int main() 24 { 25 //int k; 26 // freopen("game.in","r",stdin); 27 //freopen("game.out","w",stdout); 28 while(cin>>k,k) 29 { 30 int i; 31 for(i=0;i<k;i++) 32 cin>>s[i]; 33 sort(s,s+k); 34 memset(sg,-1,sizeof(sg)); 35 sg[0]=0; 36 int t; 37 cin>>t; 38 while(t--) 39 { 40 41 int n,m; 42 cin>>n; 43 int ans=0; 44 while(n--) 45 { 46 cin>>m; 47 if(sg[m]==-1) 48 sg[m]=getsg(m); 49 ans^=sg[m]; 50 } 51 if(ans) 52 cout<<‘W‘; 53 else cout<<‘L‘; 54 } 55 cout<<endl; 56 } 57 return 0; 58 }
原文:http://www.cnblogs.com/13224ACMer/p/4872681.html